Paper package.



G. P. JENKINS.

PAPER PACKAGE;

APPLIOATION FILED Dr:o e,19o8.

925,91 3. Patented June 22, 1909.

@Hof/neg w UNITED sTATEs PATENT oEEicE.

CHARLES FRANCIS JENKINS, OF WASHINGTON, DISTRICT OF COLUMBIA, ASSIGNOR, BY MESNE ASSIGNMENTS, TO SINGLE SERVICE PACKAGE CORPORATION OF AMERICA, A

CORPORATION OF NEWJERSEY.

PAPER PACKAGE.

Specification of Letters Patent.

Patented June 22, 1909.

Application led December 9, 1908. Serial No. 466,671.

To all 'whom 'it ma concern.'

Be it known t at I, CHARLES FRANcis Jnn'KiNs, a citizen of the United States, residing vat Washington, in the District of Columbia, have invented certain new and useful Improvements in Paper Packages; andl I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to sealed paper packages and has for its object the production of ackages cheaply and eX editiously that will be es ecially adapted Ito holding washin and ot er iowders.

views:-Fi u're 1 is a sectional view of ay sealed pac age after it leaves the machine on which it is made. Fig 2, a view illus- .trating the step of dipping a portion only of -the sealed package 1n a li uid proofing material, and `ig 3, an elevational View of the completed package.

In putting up washing and other powders iniaper packages, it is very desirable to provi e a flush top for` the saine, in order that they may pack easily, and also in order that they `may not collect dirt and dust to the degrec that they do when sunken tops are provided. Since these to s should be in the form of inverted flange( cups 13, Fig. 1, with `flanged cup 13 is ,fprrned from. a suitable die as in my applicatinNo. 461,964, led November 10,1908, machine for making paper bottles, and withvthe flange` 14 uppermost; the said cu i is then forced by a plunger down through said tube all the wa to its bottom, when it is stopped by a suita le support, and occupies a position seen in Fig. 1 which is flush with the then outer bottom edge. Later when the tube is turned upside down, this bottom edge becomes the top edge, as shown in said figure, and the said flanged cu 13 constitutes the flush top closure shown, all as will appear below. The body 6 with the cup 13 in4 place is next carried under suitable filling devices provided with suitable measuring cut offs, and by any well known manipulation Aof these cut-offs the tube is filled with a definite quantity of washing or other iowder. Or, of course, thel material may, if (esired, be filled into the t'ubes by hand. Many of these washing powders are highly hygrosco ic, containing as they do sodium hydrate, aOII, or other strong alkali; and a great objection to the present containers is the fact that their bottom closures are flush with their bottom ends, so that when the package is placed upon a freshly washed shelfl 1n the kitchen, or upon any other damp place, moisture readily permeates the pa er walls, and renders the contents more or ess liquid. the paper of the walls, and soon causes the saine to colla )se ,although such paper would be abundantly able to stand up against a similar wet surface, if the contents were not liygroscopic or consisted merely of such substances as tea or coffee. My invention overcomes this difficulty in the following mannerz-After receiving the owder, the tubes may bel either closed by land, by another machine, or they may bc sin ly passed on with the carrier under a suitab e die, plunger' and centerin piece, all as illustrate( 1n my application a iove, whereupon the filled tube is again rendered trul cylindrical and accuratdly centered; an( wliereu on another flanged cup 23, Fig. 1, is forced into lthe tube over the contents 15, with-the flange 24 of the cup again pointing u waidly out of the tube, as was the case in t ie operation of 1nserting the first cup 13. Both cups are permanenti sealed in place by any suitable material. h'ave'found when the paper is well paraflined 'that the cups are necessarily put in under such pressure in the machineseinlvployed that they cannot be withdrawn with- 'lhis liquid in turn is soaked up bycase oft material, as shown in Fig. 4.

v walls of the out destroying the package, and I prefer to secure them in thismanner; but it is evident that sealing material may be applied blv hand. But, since the first cup was orced a the wa to the bottom of the tube; it leaves no su en space between the rim of said tube and the lane of the disk of the cup. In the he cup 23 however, it is only forced down until the edge of' its fiange 24 comes even with the edge of the tube, and a sunken space 25 is provided., as shown. If now the package is turned upside down, so that the cup 13 becomes the to and the cup 23 the bottom, as illustrated 1n Fig. 1, the sunken space 25 will be well above any damp or other support 26 on which it may rest, so that there will be no tendency of water to soak through the relatively thin disk to the powder within, although water could and would-soak through the flange 24 and the lower edge of the tube walls, unless precautions are further taken to prevent this.,

In cases-where the powder 15 is exceedinly hygroscopic, I preferably form the spira y wound tubes 6 wholly or partially of suitable liquid proof material, preferabl pialraffined pa er, and in the manner now we l own. An in additionv to this, I ma by hand, or otherwise, dip the cup 23 an the whole lower end of the tube into a suitable li uid proofing material 27, such as hot para and give to the bottom of the `package a zone or coating-`28 of moisture repellent This last operation efectuallv prevents the contents of the package from quefying, owing to the entrance of moisture therein, and therefore eectually prevents the collapsing of the ackage from the causes above outlined; whlle at the same time it saves very greatl over the cost of' paraflining or liquid proofing the whole package. In other words, these packages are made and sold in enormous quantities; the margin of rofit is necessarily small and it is exceeding .y desirable to get an efficient packa e at a very slight cost above the value oft e contents. Thisproblem is completely solved by my in- `vention, for that even when the original tubes are partially madel from liquid roof material, t ey can be made on my mac lnes for a small fraction of a cent each, ahd by filling and closing these tubes in the manner above disclosed, 1t is evident that the cost is scarcely raised to any extent. The cost of dipping the whole package in a paraflin bat however, is not only expensive in that the paraffin solidies all over the same, and` 1s therefore costly when a million ackages are considered, but it entails other o jections f in practically handling the same that very materially raise the limits of cost, and should be avoided at all hazards. These latter obezasia jections are completel overcome, and a very' material saving is e ected, bythe double feature of providing the inverted cup 23 at the bottom end, and the paraffin or other belt 28 surrounding the same.v

It is evident that my invention produces a product which is Sermanently sealed, and

can only be opene by destroying the closures, t us insuring the genuineness of the package.

1. A Ipermanently sealed paper packag comprislng a container; closures for each end of the same composed of flanged disks with their flanges ointing in the same direction, one surface o each disk constituting an outer surface of the vessel and the outer surfaces of the flange of each of said .disks en a ing the inner surface of the container, the tglisi of the bottom cup lyin in a plane above the bottom edge of said container; and a zone of liquid roof material extending from the bottom e ge of said container and terminating a short distance above the lane of the bottom disk, substantially as escribed.

2. A permanently sealed pa er package comprising va spirally woun container; lianged cups with their flanges pointing in the same direction, each contacting with the inner surface of the container and closing bracing the walls of said container, the disk of the top cup being continuous and flush with the top edge of the container;- the disk of the bottom cup being also continuous and -lying in a plane above the bottom edge of said container, said cups being permanent] sealed 1n thelr places and one surface of eac cup constituting an outer surface of' the package; and a zone o f paraffin extending from thebottom edge of said container and terminating a short distance above the plane of the bottom disk, substantially as described.

3. A paper container provided with inverted anged cup shaped closures each having their flanges pointing in the same direc# tion and contacting with the inner surface of the container while the disk of each of said closures constitutes an outside surface of the completed vessel, substantially as described.

4. A paper container provided with a flanged cup shaped closure, the disk of which constitutes an outside surface of the completed vessel and is flush with the end of, and the flange of which contacts with the inside surface of, said container, substantially as described.

In testimony whereof, I affix my sign ature, inpresence of two witnesses.

CHARLES FRANCIS JENKINS.

Witnesses HENRY S. SHEDD, FRANK M. WRIGHT.

and 

